; mode = fxo|immediate|dialtone -- for type of line and line handling
; context = starting context
; echocancel = on|off (on by default of v4pci, off by default for others)
; mode = fxo|immediate|dialtone -- for type of line and line handling
; context = starting context
; echocancel = on|off (on by default of v4pci, off by default for others)
-; callerid = on|off (to collect caller ID if available between 1st/2nd rings)
+; callerid = on|off|v23|bell (on => to collect caller ID if available between 1st/2nd rings using vpb functions)
+; (v23|bell => collect caller ID using asterisk functions)
; UseLoopDrop = 0|1 (enables the use of Loop Drop detection, on by default in
; some cases spurious loop-drops can cause unexpected
; hangup detection)
; UseLoopDrop = 0|1 (enables the use of Loop Drop detection, on by default in
; some cases spurious loop-drops can cause unexpected
; hangup detection)